diff --git a/source/bounce.css b/source/bounce.css
index 02a9822..4e6aaf5 100644
--- a/source/bounce.css
+++ b/source/bounce.css
@@ -16,6 +16,11 @@
 	60% {-ms-transform: translateY(-15px);}
 }
 
+@-o-keyframes bounce {
+	0%, 20%, 50%, 80%, 100% {-o-transform: translateY(0);}
+	40% {-o-transform: translateY(-30px);}
+	60% {-o-transform: translateY(-15px);}
+}
 @keyframes bounce {
 	0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
 	40% {transform: translateY(-30px);}
diff --git a/source/bounceIn.css b/source/bounceIn.css
index fa66777..16429d1 100644
--- a/source/bounceIn.css
+++ b/source/bounceIn.css
@@ -58,6 +58,26 @@
 	}
 }
 
+@-o-keyframes bounceIn {
+	0% {
+		opacity: 0;
+		-o-transform: scale(.3);
+	}
+	
+	50% {
+		opacity: 1;
+		-o-transform: scale(1.05);
+	}
+	
+	70% {
+		-o-transform: scale(.9);
+	}
+	
+	100% {
+		-o-transform: scale(1);
+	}
+}
+
 @keyframes bounceIn {
 	0% {
 		opacity: 0;
diff --git a/source/bounceInDown.css b/source/bounceInDown.css
index 80ee77b..f724d4d 100644
--- a/source/bounceInDown.css
+++ b/source/bounceInDown.css
@@ -58,6 +58,26 @@
 	}
 }
 
+@-o-keyframes bounceInDown {
+	0% {
+		opacity: 0;
+		-o-transform: translateY(-2000px);
+	}
+	
+	60% {
+		opacity: 1;
+		-o-transform: translateY(30px);
+	}
+	
+	80% {
+		-o-transform: translateY(-10px);
+	}
+	
+	100% {
+		-o-transform: translateY(0);
+	}
+}
+
 @keyframes bounceInDown {
 	0% {
 		opacity: 0;
diff --git a/source/bounceInLeft.css b/source/bounceInLeft.css
index 79ccc12..c5138e3 100644
--- a/source/bounceInLeft.css
+++ b/source/bounceInLeft.css
@@ -58,6 +58,26 @@
 	}
 }
 
+@-o-keyframes bounceInLeft {
+	0% {
+		opacity: 0;
+		-o-transform: translateX(-2000px);
+	}
+	
+	60% {
+		opacity: 1;
+		-o-transform: translateX(30px);
+	}
+	
+	80% {
+		-o-transform: translateX(-10px);
+	}
+	
+	100% {
+		-o-transform: translateX(0);
+	}
+}
+
 @keyframes bounceInLeft {
 	0% {
 		opacity: 0;
diff --git a/source/bounceInRight.css b/source/bounceInRight.css
index b040368..0610b91 100644
--- a/source/bounceInRight.css
+++ b/source/bounceInRight.css
@@ -58,6 +58,26 @@
 	}
 }
 
+@-o-keyframes bounceInRight {
+	0% {
+		opacity: 0;
+		-o-transform: translateX(2000px);
+	}
+	
+	60% {
+		opacity: 1;
+		-o-transform: translateX(-30px);
+	}
+	
+	80% {
+		-o-transform: translateX(10px);
+	}
+	
+	100% {
+		-o-transform: translateX(0);
+	}
+}
+
 @keyframes bounceInRight {
 	0% {
 		opacity: 0;